Answer:
last one
Step-by-step explanation:
because it's correct
Answer:

Step-by-step explanation:
In a coin toss the probability of tossing a head is 0.5 (50% head/50% tails)
If n is the number of rounds and 2n the number of coins tossed (one for each player), the probability of having m heads tossed is:

R is the number of cases (combination of coins tossed) that gives a m number of heads. Each case has a probability of
so:

<u>For example, to toss 4 heads in 5 rounds: </u>




PEMDAS
Parentheses, exponents, multiplication, division, addition, subtraction.
Answer:
a
Step-by-step explanation:
add and the take the parathesis out and there you have ur answer